<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>padding应用导航</title>
    <style>
        .nav{
            height:37px;
            background-color:#fcfcfc;
            border-top: 3px solid #ff8500;
            border-bottom: 1px solid #edeef0;       
            line-height: 41px;
        }
       .nav a{
            /* a是行内块不能设置高要转换为行内块元素 */
            display: inline-block;
            padding: 0 20px;
            height: 41px;
            font-size: 12px;
            color: #4c4c4c;
            text-decoration: none;
        }
        .nav a:hover{
            background-color:#e9e9e9;
            color: #ff8500;
        }
    </style>
</head>
<body>
    <div class="nav">
     <a href="#">新浪导航</a>
     <a href="#">手机客户端</a>
     <a href="#">移动客户端</a>
     <a href="#">微博</a>
     <a href="#">公众号</a>
    </div>
</body>
</html>